how to fix P0101 MAF sensor code in Toyota Corolla E170 (2013-2019)

Learn how to diagnose and fix P0101 MAF sensor code in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required.
• Disconnect the negative battery terminal to ensure safety.

2. Remove the MAF Sensor

1. Locate the MAF sensor, typically found in the air intake duct between the air filter and throttle body.
2. Disconnect the electrical connector from the MAF sensor by pressing the release tab and pulling it off.
3. Unscrew the MAF sensor from the intake duct using a socket set (usually Torx or Phillips screws).
4. Carefully remove the MAF sensor from the duct without damaging the sensor element.

3. Clean or Replace the MAF Sensor

1. If cleaning, spray MAF sensor cleaner liberally onto the sensor element; avoid touching it with any tools or fingers.
2. Allow the sensor to dry completely before reinstallation.
3. If replacing, ensure the new MAF sensor is the correct part for your vehicle's make and model.

4. Reinstall the MAF Sensor

1. Place the cleaned or new MAF sensor back into the intake duct.
2. Secure it with the screws removed earlier, tightening to manufacturer specifications (typically around 6-9 Nm).
3. Reconnect the electrical connector until it clicks into place.

5. Final Steps

1. Reconnect the negative battery terminal.
2. Start the engine and allow it to idle for a few minutes to ensure proper function.